sway/swaybar/ipc.c
2018-04-05 16:04:30 -04:00

372 lines
13 KiB
C

#define _XOPEN_SOURCE 500
#include <limits.h>
#include <string.h>
#include <strings.h>
#include <json-c/json.h>
#include <wlr/util/log.h>
#include "swaybar/config.h"
#include "swaybar/ipc.h"
#include "ipc-client.h"
void ipc_send_workspace_command(struct swaybar *bar, const char *ws) {
const char *fmt = "workspace \"%s\"";
uint32_t size = snprintf(NULL, 0, fmt, ws);
char command[size];
snprintf(command, size, fmt, ws);
ipc_single_command(bar->ipc_socketfd, IPC_COMMAND, command, &size);
}
char *parse_font(const char *font) {
char *new_font = NULL;
if (strncmp("pango:", font, 6) == 0) {
font += 6;
}
new_font = strdup(font);
return new_font;
}
static void ipc_parse_colors(
struct swaybar_config *config, json_object *colors) {
json_object *background, *statusline, *separator;
json_object *focused_background, *focused_statusline, *focused_separator;
json_object *focused_workspace_border, *focused_workspace_bg, *focused_workspace_text;
json_object *inactive_workspace_border, *inactive_workspace_bg, *inactive_workspace_text;
json_object *active_workspace_border, *active_workspace_bg, *active_workspace_text;
json_object *urgent_workspace_border, *urgent_workspace_bg, *urgent_workspace_text;
json_object *binding_mode_border, *binding_mode_bg, *binding_mode_text;
json_object_object_get_ex(colors, "background", &background);
json_object_object_get_ex(colors, "statusline", &statusline);
json_object_object_get_ex(colors, "separator", &separator);
json_object_object_get_ex(colors, "focused_background", &focused_background);
json_object_object_get_ex(colors, "focused_statusline", &focused_statusline);
json_object_object_get_ex(colors, "focused_separator", &focused_separator);
json_object_object_get_ex(colors, "focused_workspace_border", &focused_workspace_border);
json_object_object_get_ex(colors, "focused_workspace_bg", &focused_workspace_bg);
json_object_object_get_ex(colors, "focused_workspace_text", &focused_workspace_text);
json_object_object_get_ex(colors, "active_workspace_border", &active_workspace_border);
json_object_object_get_ex(colors, "active_workspace_bg", &active_workspace_bg);
json_object_object_get_ex(colors, "active_workspace_text", &active_workspace_text);
json_object_object_get_ex(colors, "inactive_workspace_border", &inactive_workspace_border);
json_object_object_get_ex(colors, "inactive_workspace_bg", &inactive_workspace_bg);
json_object_object_get_ex(colors, "inactive_workspace_text", &inactive_workspace_text);
json_object_object_get_ex(colors, "urgent_workspace_border", &urgent_workspace_border);
json_object_object_get_ex(colors, "urgent_workspace_bg", &urgent_workspace_bg);
json_object_object_get_ex(colors, "urgent_workspace_text", &urgent_workspace_text);
json_object_object_get_ex(colors, "binding_mode_border", &binding_mode_border);
json_object_object_get_ex(colors, "binding_mode_bg", &binding_mode_bg);
json_object_object_get_ex(colors, "binding_mode_text", &binding_mode_text);
if (background) {
config->colors.background = parse_color(
json_object_get_string(background));
}
if (statusline) {
config->colors.statusline = parse_color(
json_object_get_string(statusline));
}
if (separator) {
config->colors.separator = parse_color(
json_object_get_string(separator));
}
if (focused_background) {
config->colors.focused_background = parse_color(
json_object_get_string(focused_background));
}
if (focused_statusline) {
config->colors.focused_statusline = parse_color(
json_object_get_string(focused_statusline));
}
if (focused_separator) {
config->colors.focused_separator = parse_color(
json_object_get_string(focused_separator));
}
if (focused_workspace_border) {
config->colors.focused_workspace.border = parse_color(
json_object_get_string(focused_workspace_border));
}
if (focused_workspace_bg) {
config->colors.focused_workspace.background = parse_color(
json_object_get_string(focused_workspace_bg));
}
if (focused_workspace_text) {
config->colors.focused_workspace.text = parse_color(
json_object_get_string(focused_workspace_text));
}
if (active_workspace_border) {
config->colors.active_workspace.border = parse_color(
json_object_get_string(active_workspace_border));
}
if (active_workspace_bg) {
config->colors.active_workspace.background = parse_color(
json_object_get_string(active_workspace_bg));
}
if (active_workspace_text) {
config->colors.active_workspace.text = parse_color(
json_object_get_string(active_workspace_text));
}
if (inactive_workspace_border) {
config->colors.inactive_workspace.border = parse_color(
json_object_get_string(inactive_workspace_border));
}
if (inactive_workspace_bg) {
config->colors.inactive_workspace.background = parse_color(
json_object_get_string(inactive_workspace_bg));
}
if (inactive_workspace_text) {
config->colors.inactive_workspace.text = parse_color(
json_object_get_string(inactive_workspace_text));
}
if (binding_mode_border) {
config->colors.binding_mode.border = parse_color(
json_object_get_string(binding_mode_border));
}
if (binding_mode_bg) {
config->colors.binding_mode.background = parse_color(
json_object_get_string(binding_mode_bg));
}
if (binding_mode_text) {
config->colors.binding_mode.text = parse_color(
json_object_get_string(binding_mode_text));
}
}
static void ipc_parse_config(
struct swaybar_config *config, const char *payload) {
json_object *bar_config = json_tokener_parse(payload);
json_object *markup, *mode, *hidden_bar, *position, *status_command;
json_object *font, *bar_height, *wrap_scroll, *workspace_buttons, *strip_workspace_numbers;
json_object *binding_mode_indicator, *verbose, *colors, *sep_symbol, *outputs;
json_object_object_get_ex(bar_config, "mode", &mode);
json_object_object_get_ex(bar_config, "hidden_bar", &hidden_bar);
json_object_object_get_ex(bar_config, "position", &position);
json_object_object_get_ex(bar_config, "status_command", &status_command);
json_object_object_get_ex(bar_config, "font", &font);
json_object_object_get_ex(bar_config, "bar_height", &bar_height);
json_object_object_get_ex(bar_config, "wrap_scroll", &wrap_scroll);
json_object_object_get_ex(bar_config, "workspace_buttons", &workspace_buttons);
json_object_object_get_ex(bar_config, "strip_workspace_numbers", &strip_workspace_numbers);
json_object_object_get_ex(bar_config, "binding_mode_indicator", &binding_mode_indicator);
json_object_object_get_ex(bar_config, "verbose", &verbose);
json_object_object_get_ex(bar_config, "separator_symbol", &sep_symbol);
json_object_object_get_ex(bar_config, "colors", &colors);
json_object_object_get_ex(bar_config, "outputs", &outputs);
json_object_object_get_ex(bar_config, "pango_markup", &markup);
if (status_command) {
free(config->status_command);
config->status_command = strdup(json_object_get_string(status_command));
}
if (position) {
config->position = parse_position(json_object_get_string(position));
}
if (font) {
free(config->font);
config->font = parse_font(json_object_get_string(font));
}
if (sep_symbol) {
free(config->sep_symbol);
config->sep_symbol = strdup(json_object_get_string(sep_symbol));
}
if (strip_workspace_numbers) {
config->strip_workspace_numbers = json_object_get_boolean(strip_workspace_numbers);
}
if (binding_mode_indicator) {
config->binding_mode_indicator = json_object_get_boolean(binding_mode_indicator);
}
if (wrap_scroll) {
config->wrap_scroll = json_object_get_boolean(wrap_scroll);
}
if (workspace_buttons) {
config->workspace_buttons = json_object_get_boolean(workspace_buttons);
}
if (bar_height) {
config->height = json_object_get_int(bar_height);
}
if (markup) {
config->pango_markup = json_object_get_boolean(markup);
}
struct config_output *output, *tmp;
wl_list_for_each_safe(output, tmp, &config->outputs, link) {
wl_list_remove(&output->link);
free(output->name);
free(output);
}
if (outputs) {
int length = json_object_array_length(outputs);
for (int i = 0; i < length; ++i) {
json_object *output = json_object_array_get_idx(outputs, i);
const char *name = json_object_get_string(output);
if (strcmp("*", name) == 0) {
config->all_outputs = true;
break;
}
struct config_output *coutput = calloc(
1, sizeof(struct config_output));
coutput->name = strdup(name);
coutput->index = SIZE_MAX;
wl_list_insert(&config->outputs, &coutput->link);
}
} else {
config->all_outputs = true;
}
if (colors) {
ipc_parse_colors(config, colors);
}
json_object_put(bar_config);
}
static void free_workspaces(struct wl_list *list) {
struct swaybar_workspace *ws, *tmp;
wl_list_for_each_safe(ws, tmp, list, link) {
wl_list_remove(&ws->link);
free(ws->name);
free(ws);
}
}
void ipc_get_workspaces(struct swaybar *bar) {
bar->focused_output = NULL;
struct swaybar_output *output;
wl_list_for_each(output, &bar->outputs, link) {
free_workspaces(&output->workspaces);
output->focused = false;
}
uint32_t len = 0;
char *res = ipc_single_command(bar->ipc_socketfd,
IPC_GET_WORKSPACES, NULL, &len);
json_object *results = json_tokener_parse(res);
if (!results) {
free(res);
return;
}
size_t length = json_object_array_length(results);
json_object *ws_json;
json_object *num, *name, *visible, *focused, *out, *urgent;
for (size_t i = 0; i < length; ++i) {
ws_json = json_object_array_get_idx(results, i);
json_object_object_get_ex(ws_json, "num", &num);
json_object_object_get_ex(ws_json, "name", &name);
json_object_object_get_ex(ws_json, "visible", &visible);
json_object_object_get_ex(ws_json, "focused", &focused);
json_object_object_get_ex(ws_json, "output", &out);
json_object_object_get_ex(ws_json, "urgent", &urgent);
wl_list_for_each(output, &bar->outputs, link) {
const char *ws_output = json_object_get_string(out);
if (strcmp(ws_output, output->name) == 0) {
struct swaybar_workspace *ws =
calloc(1, sizeof(struct swaybar_workspace));
ws->num = json_object_get_int(num);
ws->name = strdup(json_object_get_string(name));
ws->visible = json_object_get_boolean(visible);
ws->focused = json_object_get_boolean(focused);
if (ws->focused) {
output->focused = true;
}
ws->urgent = json_object_get_boolean(urgent);
wl_list_insert(&output->workspaces, &ws->link);
}
}
}
json_object_put(results);
free(res);
}
static void ipc_get_outputs(struct swaybar *bar) {
uint32_t len = 0;
char *res = ipc_single_command(bar->ipc_socketfd,
IPC_GET_OUTPUTS, NULL, &len);
json_object *outputs = json_tokener_parse(res);
for (size_t i = 0; i < json_object_array_length(outputs); ++i) {
json_object *output = json_object_array_get_idx(outputs, i);
json_object *output_name, *output_active;
json_object_object_get_ex(output, "name", &output_name);
json_object_object_get_ex(output, "active", &output_active);
const char *name = json_object_get_string(output_name);
bool active = json_object_get_boolean(output_active);
if (!active) {
continue;
}
if (bar->config->all_outputs) {
struct config_output *coutput = calloc(
1, sizeof(struct config_output));
coutput->name = strdup(name);
coutput->index = i;
wl_list_insert(&bar->config->outputs, &coutput->link);
} else {
struct config_output *coutput;
wl_list_for_each(coutput, &bar->config->outputs, link) {
if (strcmp(name, coutput->name) == 0) {
coutput->index = i;
break;
}
}
}
}
json_object_put(outputs);
free(res);
}
void ipc_initialize(struct swaybar *bar, const char *bar_id) {
uint32_t len = strlen(bar_id);
char *res = ipc_single_command(bar->ipc_socketfd,
IPC_GET_BAR_CONFIG, bar_id, &len);
ipc_parse_config(bar->config, res);
free(res);
ipc_get_outputs(bar);
const char *subscribe = "[ \"workspace\", \"mode\" ]";
len = strlen(subscribe);
free(ipc_single_command(bar->ipc_event_socketfd,
IPC_SUBSCRIBE, subscribe, &len));
}
bool handle_ipc_readable(struct swaybar *bar) {
struct ipc_response *resp = ipc_recv_response(bar->ipc_event_socketfd);
if (!resp) {
return false;
}
switch (resp->type) {
case IPC_EVENT_WORKSPACE:
ipc_get_workspaces(bar);
break;
case IPC_EVENT_MODE: {
json_object *result = json_tokener_parse(resp->payload);
if (!result) {
free_ipc_response(resp);
wlr_log(L_ERROR, "failed to parse payload as json");
return false;
}
json_object *json_change, *json_pango_markup;
if (json_object_object_get_ex(result, "change", &json_change)) {
const char *change = json_object_get_string(json_change);
free(bar->config->mode);
if (strcmp(change, "default") == 0) {
bar->config->mode = NULL;
} else {
bar->config->mode = strdup(change);
}
} else {
wlr_log(L_ERROR, "failed to parse response");
json_object_put(result);
free_ipc_response(resp);
return false;
}
if (json_object_object_get_ex(result,
"pango_markup", &json_pango_markup)) {
bar->config->mode_pango_markup = json_object_get_boolean(
json_pango_markup);
}
json_object_put(result);
break;
}
default:
free_ipc_response(resp);
return false;
}
free_ipc_response(resp);
return false;
}